51892480

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 126270144

約数和(自身を除く): 74377664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 571, 640, 710, 1136, 1142, 1280, 1420, 2272, 2284, 2840, 2855, 4544, 4568, 5680, 5710, 9088, 9136, 11360, 11420, 18176, 18272, 22720, 22840, 36544, 40541, 45440, 45680, 73088, 81082, 90880, 91360, 146176, 162164, 182720, 202705, 324328, 365440, 405410, 648656, 730880, 810820, 1297312, 1621640, 2594624, 3243280, 5189248, 6486560, 10378496, 12973120, 25946240, 51892480]

約数ペア:

[(1, 51892480), (2, 25946240), (4, 12973120), (5, 10378496), (8, 6486560), (10, 5189248), (16, 3243280), (20, 2594624), (32, 1621640), (40, 1297312), (64, 810820), (71, 730880), (80, 648656), (128, 405410), (142, 365440), (160, 324328), (256, 202705), (284, 182720), (320, 162164), (355, 146176), (568, 91360), (571, 90880), (640, 81082), (710, 73088), (1136, 45680), (1142, 45440), (1280, 40541), (1420, 36544), (2272, 22840), (2284, 22720), (2840, 18272), (2855, 18176), (4544, 11420), (4568, 11360), (5680, 9136), (5710, 9088)]